package com.xinchengxd.gateway.filter;


import feign.codec.Decoder;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.ObjectFactory;
import org.springframework.boot.SpringBootConfiguration;
import org.springframework.boot.autoconfigure.http.HttpMessageConverters;
import org.springframework.cloud.openfeign.support.ResponseEntityDecoder;
import org.springframework.cloud.openfeign.support.SpringDecoder;
import org.springframework.context.annotation.Bean;
import org.springframework.http.MediaType;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;

import java.util.ArrayList;
import java.util.List;

/**
 * @author: 姚新成
 * @Date: 2021/11/12:12:08
 * @Description: 配置httpMessage转换
 */
@SpringBootConfiguration
public class FeignConfig {

        @Bean
        public Decoder feignDecoder() {
            return new ResponseEntityDecoder(new SpringDecoder(feignHttpMessageConverter()));
        }

        public ObjectFactory<HttpMessageConverters> feignHttpMessageConverter() {
            final HttpMessageConverters httpMessageConverters = new HttpMessageConverters(new GateWayMappingJackson2HttpMessageConverter());
            return new ObjectFactory<HttpMessageConverters>() {
                @Override
                public HttpMessageConverters getObject() throws BeansException {
                    return httpMessageConverters;
                }
            };
        }

        public class GateWayMappingJackson2HttpMessageConverter extends MappingJackson2HttpMessageConverter {
            GateWayMappingJackson2HttpMessageConverter(){
                List<MediaType> mediaTypes = new ArrayList<>();
                mediaTypes.add(MediaType.valueOf(MediaType.TEXT_HTML_VALUE + ";charset=UTF-8"));
                setSupportedMediaTypes(mediaTypes);
            }
        }






}
